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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.


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  #1  
Old Mon, March 30th, 2009, 12:35 PM
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Originally Posted by way2qk4u2c View Post
Very good info- i might reduce it alittle.
Sure - it doesn't hurt to try. I reduced ALL my shift points and, all my TC lockup points by the maximum amount too. This only effects part throttle acceleration. It has no effect on WOT acceleration. I find that having the shift and TC lockups set the way I've done it, the truck seems to flow very nicely with other traffic, and I never try to beat anyone to the next light.

- Jack
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Old Tue, March 31st, 2009, 09:24 AM
way2qk4u2c way2qk4u2c is offline
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Alright so i went into the programming and changed my 3-4 shift (std shifting) to -2 and it did nothing for me.

The O/D doesnt kick in until 55mph and above. Should i worry about this or leave it alone?

I drive alot of 40mph speed limits all the way to work and its not in O/D the whole way.



I didnt see any TC options to set in there?
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Old Tue, March 31st, 2009, 10:23 AM
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I think you are gonna need Bill to tweak your custom tunes at this point if you could not get the tranny where you wanted it with the changes you made
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Old Tue, March 31st, 2009, 10:50 AM
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Quote:
Originally Posted by way2qk4u2c View Post
Alright so i went into the programming and changed my 3-4 shift (std shifting) to -2 and it did nothing for me.

The O/D doesnt kick in until 55mph and above. Should i worry about this or leave it alone?

I drive alot of 40mph speed limits all the way to work and its not in O/D the whole way.



I didnt see any TC options to set in there?
I'm pretty sure you can reduce the 3-4 upshift and 4-3 downshift by -5. That's what I did. (I also changed the 1-2, 2-1 upshift/downshift to -2, the 2-3, 3-2 shifts to -3). Those are the maximum changes we can do.

I'm VERY puzzled that you don't have Torque Converter choices in your Custom Options menu. As I recall, in my unit, it's the next choice below the shift options? You and I have nearly identical Gryphon's (your's might be a little newer - mine is a converted Edge).

I think southpaw's right though, your custom tunes sound like they have the shift points way up in the rpm/speed curve (for more power) and I don't see how you're going to get the 3-4 upshift below 50. Bill CAN adjust those shift points down if it's really what you want. Even though I'm older than you, I don't really drive like a Grandpa. My truck accelerates easily with other traffic and I have no trouble accelerating faster if I want.

I just had a thought though. What's your gearing and tire size? It may be that you really don't want the O/D on much earlier than it is. (As I recall, when mine kicks in and the TC locks, the RPM is about 1100, and you probably would not want it much below that).

- Jack
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Old Tue, March 31st, 2009, 11:12 AM
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1100RPM? that's pretty low for a gasser... how far into the throttle do you get before it unlocks. I would think the engine would lug pretty bad if you tried any acceleration with the rpm's that low on a locked TC
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Old Tue, March 31st, 2009, 12:41 PM
way2qk4u2c way2qk4u2c is offline
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Well i have the stock 20in rims from factory on my truck with stock tires.

Im not sure what that cooresponds to the gryphon becaus ei think i saw my tire size listed as 2760 i think- im not exactly sure by memory.

my gear ratio i dont know that either off the top of my head but i think i saw it in the gryphon set as 3:73

I have a edge converted to gryphon as well

Yeah around 50mph my rpms are at 1800 and once i hit 55mph i have to work at it to push it into O/D and then they go down to about 1200 rpm

Yeah i have no option for TC control at all
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Old Tue, March 31st, 2009, 07:55 PM
way2qk4u2c way2qk4u2c is offline
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So on my way home from work i decided to try something

I put the gryphon into level 2 programming (since that is a canned tune still)

The truck shifted to O/D immediately at 45 mph and felt like how it was before.

The custom tune must have been loaded and causing this problem- its locked until 55mph

Bill is there something you can do to fix this for me
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Old Fri, April 10th, 2009, 10:49 PM
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Im still waiting for this to be fixed????
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